Sinister Hospital (2024)

- Developer
- OxygenStudio
- Platforms
- Windows
- Genres
- Action, Adventure, Indie, Strategy
- Rating
- 2.5 of 5, 12 player ratings
- Typical playtime
- about 1.7 hours
- Where to get it
- Steam

The catalog in 3D
The same catalog has a room you can walk around in. The cat behind the counter is the AI Catbot, and they pick real games from it when you tell them what you feel like playing. Nothing is for sale, here or in there. Go in from here and this game is already out on the counter, with more like it waiting on the shelf next to it.
How it feels
Navigating eerie abandoned spaces with a slow, foreboding pace that blends suspense with psychological unease.
darkatmospherictensesurrealpsychologicalgloomyexplorationmysterious
What players say
Players are split on Sinister Hospital. Some praise its puzzles and horror atmosphere, while others cite softlocks and a missing save system that forces restarts from the beginning when dying or getting stuck.
Screenshots






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More by OxygenStudio
Smile Protocol (2026)
Ground Parkour : First Mission (2023)
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Don't Leave (2023)
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Sweet Toys Simulator (2025)
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This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? You can browse by platform and genre, or take this one into the 3D catalog and ask the Catbot for something closer.